descreen definition: Verb (third-person singular simple present descreens, present participle descreening, simple past and past participle descreened) 1. to remove MoirÃ©-pattern artifacts when scanning half-toned printed imagesThis software option is...
Sunlight Photosynthesis: 6CO 2 + H 2 6 H 12 O 6 + 6O 2 In the above reaction, sunlight supplies the energy to convert carbon dioxide and water to glucose and oxygen.Hydrothermal vents, which are hot springs on the sea floor, support exotic chemical-based ecosys-tems.
Thus we have a measure of the net and gross primary production as well as the respiration of our system. The oxygen technique is limited in situations where the primary production is very low. In these situations, the radioactive form of carbon, C14 (14CO2), can be used to monitor carbon uptake and fixation.